[R-sig-ME] statistical significance of group level intercepts in glmer

[Maaz Gardezi]

Hello,

I am using glmer to model a mixed effects logistic regression. The output
below shows the random intercepts and slope (zcwcexp) for 22 groups. I was
wondering if there is any way of finding whether these are statistically
significant?

> ranef(addRandomCrossLevelInteraction)
$subject
   (Intercept)      zcwcexp
1   0.08913319 -0.007245956
2  -0.06997405  0.009194926
3  -0.77408045  0.247743815
4   0.07087457  0.048671025
5   0.16529502 -0.025846944
6   0.21978190  0.020381977
7   0.22628857 -0.060421227
8   0.67790616 -0.183998656
9   0.25113625 -0.109811064
10 -0.14569194 -0.039863882
11  0.13872081 -0.074646309
12 -0.23401794  0.069596589
13  0.96193273 -0.195829039
14 -0.46834542  0.092182158
15 -0.59465656  0.158177344
16 -0.06963680 -0.019127508
17 -0.25015416  0.067321201
18  0.32001648 -0.100452172
19 -0.40396733  0.120731775
20  0.07413768 -0.061477287
21 -0.08520228  0.044519621
22 -0.09427640  0.002166830

Thanks!

Maaz

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